WO2019029902A1 - Dispositif de commande d'une force de contact d'un collecteur de courant avec une vanne relais - Google Patents

Dispositif de commande d'une force de contact d'un collecteur de courant avec une vanne relais Download PDF

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Publication number
WO2019029902A1
WO2019029902A1 PCT/EP2018/067499 EP2018067499W WO2019029902A1 WO 2019029902 A1 WO2019029902 A1 WO 2019029902A1 EP 2018067499 W EP2018067499 W EP 2018067499W WO 2019029902 A1 WO2019029902 A1 WO 2019029902A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressure
pilot
circuit
relay valve
control circuit
Prior art date
Application number
PCT/EP2018/067499
Other languages
German (de)
English (en)
Inventor
Manfred Vohla
Kurt Haselsteiner
Original Assignee
Knorr-Bremse Systeme für Schienenfahrzeuge GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Knorr-Bremse Systeme für Schienenfahrzeuge GmbH filed Critical Knorr-Bremse Systeme für Schienenfahrzeuge GmbH
Priority to RU2020110059A priority Critical patent/RU2733670C1/ru
Priority to JP2020507577A priority patent/JP6997292B2/ja
Priority to EP18737207.3A priority patent/EP3665032A1/fr
Priority to CN201880052114.7A priority patent/CN110997392B/zh
Priority to US16/638,666 priority patent/US11371536B2/en
Publication of WO2019029902A1 publication Critical patent/WO2019029902A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
    • F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
    • B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
    • B60L5/22—Supporting means for the contact bow
    • B60L5/28—Devices for lifting and resetting the collector
    • B60L5/32—Devices for lifting and resetting the collector using fluid pressure
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
    • G05D16/2024—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means the throttling means being a multiple-way valve
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R41/00—Non-rotary current collectors for maintaining contact between moving and stationary parts of an electric circuit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/52—Pressure control characterised by the type of actuation
    • F15B2211/528—Pressure control characterised by the type of actuation actuated by fluid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6306—Electronic controllers using input signals representing a pressure
    • F15B2211/6313—Electronic controllers using input signals representing a pressure the pressure being a load pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/67—Methods for controlling pilot pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles

Definitions

  • the invention relates to a device for controlling a contact pressure of a
  • Catenary can not be ensured their mechanical positioning, a "threading" of the pantograph and tearing down the catenary are typical consequences.
  • the disadvantage here is that the design and handling of this wind deflector is not easily adaptable to different operating situations.
  • the additional aerodynamic force is significantly higher in high-speed tunnels than on the open road.
  • this additional force is also of the vehicle shape, tunnel cross section, Barrier measure (ratio of vehicle cross section to tunnel cross section),
  • the invention is therefore based on the object to provide a device which performs a more accurate control of the required contact forces between a pantograph and a catenary that better fit different operating situations.
  • This object is achieved with a device for controlling or regulating a contact force between a catenary and a current collector of a
  • Vehicle according to claim 1 solved. Furthermore, the object is achieved by a method according to claim 16, 17 or 18 using such a device.
  • the solution of the problem in a device for controlling a contact force between a catenary and a pantograph of a vehicle which is operated pneumatically or hydraulically.
  • a device for controlling a contact force between a catenary and a pantograph of a vehicle which is operated pneumatically or hydraulically.
  • air or oil can be used as print media be used.
  • the fluid pressure is in equilibrium with the gravitational force (weight) of the fluid
  • Pantograph The required contact force is achieved by an increase in pressure of a working pressure, which is made possible by controlling or regulating a power pressure by means of a pilot pressure from a pilot control circuit.
  • the pilot pressure in the pilot circuit is adjusted to control the power pressure and increase the working pressure.
  • the pilot circuit includes a base control circuit including a base control device (e.g., a pressure reducing valve) for setting a first pilot pressure (a base pilot pressure), an auxiliary control circuit including an auxiliary control device (e.g., a regulator) for setting a second one
  • a base control device e.g., a pressure reducing valve
  • an auxiliary control circuit including an auxiliary control device (e.g., a regulator) for setting a second one
  • Pilot pressure and an adjusting device including a relay valve for controlling the power pressure and to provide the working pressure on. After the adjusting the working pressure is passed to the current collector, with other elements can be interposed to influence pressure or flow rate.
  • a working pressure control circuit is provided which determines whether the working pressure should be directed to the pantograph quickly or slowly.
  • the working pressure control circuit may be configured to limit the working pressure to a maximum value to provide excessive pressure on the pantograph
  • the relay valve is designed to provide one or more inputs for one or more pilot pressures, each having a small cross section, and an input for the power pressure and an output for the working pressure
  • a gear ratio other than 1: 1 can be realized. For example, if the gear ratio is 1: 5, 10 bar in the pilot circuit will have an output pressure of 2 bar at the output of the relay valve. A deviation is also proportionally reduced in this case. For example, if the deviation in the pilot circuit is ⁇ 0, 1 bar, the deviation in the output of the relay valve is only ⁇ 0.02 bar, which is an absolute reduction of the deviation corresponds, and thus allows an increase of the control accuracy and a reduction of the hysteresis.
  • the pilot circuit in addition to the controller on a pressure sensor and two control valves.
  • the pressure sensor is provided to the regulator of the
  • Pre-control circuit pressure signals to provide. Due to the small control volume of the pilot circuit, the higher dynamics can contribute to a higher
  • the pilot circuit is always a constant control volume available because the variable working volume is separated from the relay valve.
  • Pilot circuit can set the pressure more precisely than a direct regulator of the
  • a state machine is provided to monitor the working pressure, whether it is below a minimum pressure specification, exceeds a maximum pressure specification, or deviates from a bandwidth between the setpoint and the actual value. If one of these cases occurs, an emergency shutdown occurs.
  • the quick shutdown affects the pilot circuit.
  • a certain structure of the second pilot pressure as additive control to a base pilot pressure or as absolute pilot pressure control, a certain
  • Quick shutdown working pressure can be adjusted.
  • the quick shutdown can also act on the power pressure and thus prevent the supply of the relay valve, whereby the working pressure is released in any case. This can be done via a main acknowledgment valve or by a piston valve or emergency brake valve with internal pressure comparison and reference pressure volume placed close to the pantograph.
  • a state machine for example, an electrical, electronic or microprocessor unit (possibly with a security level according to one
  • Comparative signals for this monitoring device can be obtained from the pressure sensor of the additional control circuit and / or a pressure sensor provided for the working pressure.
  • Yet another advantage of the invention is that the device is designed in such a way that no consumption of print media takes place with the contact pressure unchanged, thus avoiding constant media consumption which causes a high number of compressor running cycles of the vehicle leading to significant energy waste and noise and wear on the compressor. The resulting
  • Energy efficiency ensures the energy supply of the vehicle, especially when significant amounts of energy for lighting and air conditioning via pantograph to the vehicle are needed.
  • Fig. 1 is a schematic representation of a control device of a
  • FIG. 2 is a schematic representation of a pilot circuit of the control device of a current collector according to a first embodiment of the invention
  • 3 is a schematic representation of a pilot circuit of the control device of a current collector according to a second embodiment of the invention
  • 4 shows a schematic illustration of a pilot control circuit of the control device of a current collector according to a third exemplary embodiment of the invention
  • FIG. 5 shows a schematic representation of a pilot control circuit of the control device of a current collector according to a fourth exemplary embodiment of the invention
  • FIG. 1 shows a part of a vehicle 10, a current collector 12, a contact line 20 and a control device 22 of the current collector 12.
  • the pressure medium air flows in the direction of flow 90 from a pressure input 24 via an air filter 34 into the control device 22.
  • the controller 22 is turned on via a switching valve 28a.
  • a switching valve 28b and a device 30 are monitoring devices.
  • a certain contact force between the pantograph 12 and the catenary 20 is required to ensure a safe transition of energy from the catenary 20 via the current collector 12 to the vehicle 10.
  • This working pressure is controlled by a pilot circuit 32 with a
  • Adjustment 50 achieved and then controlled by a working pressure control circuit 60.
  • the pilot circuit 32 has a base control circuit 56, an additional control circuit 26 and an adjustment device 50.
  • a power pressure is supplied to a first pressure medium line 52, the base control circuit 56, and the auxiliary control circuit 26.
  • Basic control circuit 56 sets a first pilot pressure (base pilot pressure) and the auxiliary control circuit 26 sets a second pilot pressure, the first one
  • Pilot pressure and the second pilot pressure via a respective second pressure medium line 54 are passed to the adjusting device 50 to control the power pressure of the first pressure medium line 52 therein.
  • FIG. 2 shows a pilot circuit 32 of the control device 22 according to a first
  • the pilot circuit 32 includes a pressure reducing valve 36, a switching valve 28c, an auxiliary control circuit 26 including a regulator 38, a pressure sensor 72a, a first pressure reducing control valve 76, a second pressure regulating control valve 78, a relay valve 40, and a pressure sensor 72b.
  • the pressure reducing valve 36 is configured to set the first pilot pressure (basic pilot pressure), and the regulator 38 is to set the second
  • Pilot pressure (additional pilot pressure) designed, wherein the base pilot pressure and the additional pilot pressure in each case via the second pressure medium line 54 to inputs 46a and 46b of the relay valve 40 are guided.
  • the relay valve 40 is configured to add the pilot pressures to the inputs 46a and 46b to control the power pressure from the first pressure medium line 52 at the added pilot pressure and the operating pressure from an output 42 of the relay valve 40 omit.
  • the switching valve 28c is provided to turn off the auxiliary control circuit in an emergency.
  • the pressure sensors 72a and 72b are provided to measure the auxiliary pilot pressure in the auxiliary control circuit 26 and the working pressure at the output 42 of the relay valve.
  • the pilot circuit 32 in FIG. 3 shows a pilot circuit 32 of the control device 22 according to a second exemplary embodiment of the invention.
  • the pilot circuit 32 in FIG. 3 also includes a pressure reducing valve 36, a switching valve 28c, a pilot circuit 26 including a regulator 38, a pressure sensor 72a, a first pressure reducing control valve 76, a second pressure regulating control valve 78 Relay valve 40 and a pressure sensor 72b.
  • the difference from Fig. 2 is that the difference from Fig. 2 is that the
  • Switching valve 28c is advanced in its position, a double check valve 80 is additionally provided and the relay valve 40 has only one input 46.
  • the switching valve 28c is shifted in Fig. 3 to a position at which a switching between the first pilot pressure and the second pilot pressure can be performed.
  • the double check valve 80 is provided to perform a pressure comparison between the pilot pressures and to pass the respective larger pressure further to the input 46 of the relay valve 40.
  • FIG. 4 shows a pilot circuit 32 of the control device 22 according to a third
  • the pilot circuit 32 also has a pressure reducing valve 36, a switching valve 28c, an additional control circuit 26 including a regulator 38, a pressure sensor 72a, a first control valve 76 for pressure reduction, a second pressure control valve 78, a relay valve 40 and a Pressure sensor 72b on.
  • a pressure reducing valve 36 a switching valve 28c
  • an additional control circuit 26 including a regulator 38, a pressure sensor 72a, a first control valve 76 for pressure reduction, a second pressure control valve 78, a relay valve 40 and a Pressure sensor 72b on.
  • Double check valve 80 in the pilot circuit 32 is omitted and the relay valve 40 is provided with two inputs 46a and 46b.
  • the pressure comparison analogous to FIG. 3 is integrated in the inputs 46a, 46b of the relay valve 40, so that only the respectively greater pressure of the first pilot pressure (base pilot pressure) and the second pilot pressure (possibly including the base pilot pressure) for controlling the Performance pressure works.
  • FIG. 5 shows a pilot circuit 32 of the control device 22 according to a fourth
  • the pilot circuit 32 Compared to FIG. 4, the pilot circuit 32 also, a pressure reducing valve 36, a switching valve 28c, an additional control circuit 26 including a regulator 38, a pressure sensor 72a, a first control valve 76, a second control valve 78, a relay valve 40 and a pressure sensor 72b.
  • the difference from FIG. 4 is that the switching valve 28 c is displaced in its position within the pilot circuit 32 and the relay valve 40 has only one input 46.
  • the switching valve 28c is shifted thereto to perform switching between the first and second pilot pressures and to pass only a pressure thereof further to the relay valve for controlling the power pressure.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

L'invention concerne un dispositif (22) destiné à commander la force de contact requise d'un collecteur de courant (12) d'un véhicule (10) sur une ligne de contact (20), ainsi qu'un procédé utilisant un tel dispositif (22) et un véhicule de traction (10) équipé d'au moins un tel dispositif (22). Le dispositif (22) comprend un circuit pilote (32), un circuit de commande de pression de travail (60) et un dispositif de réglage (50) incluant une vanne de relais (40). Le circuit pilote (32) définit une pression pilote et la vanne relais (40) utilise une pression pilote pour commander une pression de puissance afin de fournir une pression de travail requise pour la force de contact du collecteur de courant.
PCT/EP2018/067499 2017-08-11 2018-06-28 Dispositif de commande d'une force de contact d'un collecteur de courant avec une vanne relais WO2019029902A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
RU2020110059A RU2733670C1 (ru) 2017-08-11 2018-06-28 Устройство для управления прижимным усилием токоприемника с релейным клапаном
JP2020507577A JP6997292B2 (ja) 2017-08-11 2018-06-28 中継弁を備えたパンタグラフの当接力を制御するための装置
EP18737207.3A EP3665032A1 (fr) 2017-08-11 2018-06-28 Dispositif de commande d'une force de contact d'un collecteur de courant avec une vanne relais
CN201880052114.7A CN110997392B (zh) 2017-08-11 2018-06-28 用于借助中继阀来控制集电器的压紧力的设备
US16/638,666 US11371536B2 (en) 2017-08-11 2018-06-28 Device for controlling a pressing force of a current collector having a relay valve

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017214115.8A DE102017214115A1 (de) 2017-08-11 2017-08-11 Vorrichtung zur Steuerung einer Anpresskraft eines Stromabnehmers mit einem Relaisventil
DE102017214115.8 2017-08-11

Publications (1)

Publication Number Publication Date
WO2019029902A1 true WO2019029902A1 (fr) 2019-02-14

Family

ID=62816532

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/067499 WO2019029902A1 (fr) 2017-08-11 2018-06-28 Dispositif de commande d'une force de contact d'un collecteur de courant avec une vanne relais

Country Status (7)

Country Link
US (1) US11371536B2 (fr)
EP (1) EP3665032A1 (fr)
JP (1) JP6997292B2 (fr)
CN (1) CN110997392B (fr)
DE (1) DE102017214115A1 (fr)
RU (1) RU2733670C1 (fr)
WO (1) WO2019029902A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017214111A1 (de) * 2017-08-11 2019-02-14 Knorr-Bremse Systeme für Schienenfahrzeuge GmbH Elektropneumatisch geregelte Ansteuerung eines Stromabnehmers
CN110126626A (zh) * 2019-05-07 2019-08-16 上海福豆机械成套设备有限公司 一种单缸脚踏式升弓泵

Citations (4)

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DE10126042A1 (de) * 2000-06-06 2002-01-24 Siemens Ag Oesterreich Pneumatische Steuerung eines Stromabnehmers elektrischer Triebfahrzeuge
EP1539528A1 (fr) 2002-09-18 2005-06-15 Bombardier Transportation GmbH Dispositif de regulation electrofluidique et procede permettant de reguler un collecteur de courant electrique
DE102004055030A1 (de) * 2004-11-15 2006-05-24 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Vorrichtung zur Beaufschlagung eines Kolbenstellers mit Druck
EP1862347A1 (fr) * 2006-05-29 2007-12-05 Faiveley Transport Système de commande d'un pantographe, procédé mis en oeuvre et module de commande d'un tel système

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JPS605121B2 (ja) * 1979-05-21 1985-02-08 富士電機株式会社 パンタグラフ
FR2646381B1 (fr) * 1989-04-28 1991-07-26 Faiveley Sa Dispositif pour regler la force d'appui d'un pantographe sur un fil catenaire et procede s'y rapportant
DE19643284C2 (de) * 1996-10-21 2000-08-31 Daimler Chrysler Ag Vorrichtung zur Verminderung der Kontaktkraftschwankungen zwischen einem Stromabnehmer und einer Fahrleitung
US7160226B2 (en) * 2001-08-31 2007-01-09 Torotrak (Development) Limited Continuously variable transmission and method of operation thereof
US8187147B2 (en) * 2008-03-27 2012-05-29 GM Global Technology Operations LLC Hydraulic control system for multi-mode hybrid transmission and method of regulating the same
DE102011003144A1 (de) * 2011-01-26 2012-07-26 Robert Bosch Gmbh Steuervorrichtung für ein Bremssystem eines Fahrzeugs, Bremssystem und Verfahren zum Betreiben eines Bremssystems für ein Fahrzeug
DE102011107061A1 (de) * 2011-07-11 2013-01-17 Linde Material Handling Gmbh Antriebsstrang eines Fahrzeugs, insbesondere einer mobilen Arbeitsmaschine
RU115725U1 (ru) * 2011-12-26 2012-05-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Омский государственный университет путей сообщения (ОмГУПС (ОмИИТ)) Асимметричный токоприемник электроподвижного состава
DE102013217429A1 (de) 2013-09-02 2015-03-05 Siemens Aktiengesellschaft Druckluftsystem

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10126042A1 (de) * 2000-06-06 2002-01-24 Siemens Ag Oesterreich Pneumatische Steuerung eines Stromabnehmers elektrischer Triebfahrzeuge
EP1539528A1 (fr) 2002-09-18 2005-06-15 Bombardier Transportation GmbH Dispositif de regulation electrofluidique et procede permettant de reguler un collecteur de courant electrique
DE102004055030A1 (de) * 2004-11-15 2006-05-24 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Vorrichtung zur Beaufschlagung eines Kolbenstellers mit Druck
EP1862347A1 (fr) * 2006-05-29 2007-12-05 Faiveley Transport Système de commande d'un pantographe, procédé mis en oeuvre et module de commande d'un tel système

Also Published As

Publication number Publication date
JP2020529824A (ja) 2020-10-08
JP6997292B2 (ja) 2022-01-17
EP3665032A1 (fr) 2020-06-17
CN110997392B (zh) 2024-02-06
RU2733670C1 (ru) 2020-10-06
US11371536B2 (en) 2022-06-28
US20200271135A1 (en) 2020-08-27
CN110997392A (zh) 2020-04-10
DE102017214115A1 (de) 2019-02-14

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